//
//  AppDelegate.h
//  collection
//
//  Created by 靖 张 on 11/16/11.
//  Copyright (c) 2011 Tsinghua University. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface AppDelegate : UIResponder

@property (strong, nonatomic) UIWindow *window;
@property (strong, nonatomic) UINavigationController* rootNavigationController;

@end
